em{
    font-style: normal;
}
#divide{
    margin-left: 50px;
    margin-top: 20px;
    margin-bottom: 20px;
    font-size: 20px;
}
.dotline{
    height: 1px;
    background: #e6e6e6;
    width: 195%;
    position: absolute;
    right: 20px;
    bottom: -24px;
}
.part2{
    flex-wrap: wrap;
    display: flex;
    height: 100%;
    margin-left: 32px;
    width: 1200px;
    border: 1px solid #e6e6e6;
}
#item{
    position: relative;
    width: 595px;
    height: 180px;
    margin-bottom: 40px;
}
#book{
    margin-top: 20px;
    width: 595px;
}
#book #cover{
    margin-left: 20px;
    float: left;
}
#book #cover img{
    width: 100px;
    border-radius: 3px;
}
#book #bookinfo{
    float: right;
    width: 420px;
    margin-right: 20px;
    margin-bottom: 10px;
}
#book #bookinfo #bookname{
    font-size: 20px;
    margin-bottom: 10px;
}
#book #bookinfo #booklink{
    color: #999999;
    margin-bottom: 10px;
}
#book #bookinfo #booklink a{
    color: #999999;
}
#book #bookinfo #booklink span{
    margin-left: 12px;
    margin-right: 9px;
}
#book #bookinfo #bookintro{
    width: 420px;
    height: 100px;
    font-size: 13px;
    overflow: hidden;
}
#bookupdate{
    margin-left: 450px;
    position: absolute;
    bottom: -10px;
    right: 20px;
}